Couriertronics is the US distributor for SILL Optics located in Germany. SILL Optics designs and manufactures high performance laser and imaging optics including F theta lens, beam expanders and aspheres in addition to offering custom lens. Wavelengths available from 193nm to 2um.  F theta lens available for ultra short pulse lasers, non and telecentric F theta, also offering color corrected F theta for ultra short pulse lasers.